Starter parts / Balais door

Broom door: essential part of the starter for your car without a license

The broom door is an indispensable component of starter motor a car-free car. It ensures the transmission of electricity between the brooms and the starter collector. In good condition, it guarantees a fluid and fast start of the engine. A worn brush door often causes slow start, a friction noise or even a complete breakdown of the startup system.

Role and functioning of the brush door

The broom door keeps the brushes in place while allowing them to slide on the collector. This permanent contact transmits the electricity required to the electric motor of the starter. Its design must allow sufficient pressure of the brooms to ensure good contact without provoking excessive wear.

Main functions

• Keep the brooms at the correct position and under the good pressure.
• Transmit the electric current continuously.
• Provide regular rotation of the starter.
• Reduce excessive sparks and heating.
• Extend the life of the brooms and the collector.

Most common engines

The broom door proposed on Pro VSP Are compatible with multiple engines used on licensed cars: Lombardini, Kubota, Yanmar, Mitsubishi, Perkins. Check compatibility is essential before any replacement to ensure the proper functioning of the starter.

Signs of wear of the brush door

Like any mechanical component, the brush door wears with time. Notice the signs before-runners avoids a complete breakdown.

Electrical symptoms

• Difficult or slow start despite a battery in good condition.
• Excessive sparks in the starter.
• Starter that does not turn or rotate intermittently.
• Loss of power of the starter.
• Abnormal heaters of the starter body.

Mechanical symptoms

• Pronounced wear of brooms.
• Crazy or deformed brush door.
• Excessive game of brooms causing bad contact.
• Important carbon deposits on the collector.
• Friction noise or squeaks during launch.

Diagnosis and control of the brush door

Before replacing the brushes door, a complete starter check is recommended. This makes it possible to identify whether the problem comes only brooms or if other parts must be replaced.

Control stages

• Disassemble the starter to access the brush door.
• Check the remaining length of the brooms (replacement so short).
• Check the state of the collector (clean and without burn).
• Check that the springs of the brushes door apply the necessary pressure.
• Clean the front zone reassembly.

Replacement of the brush door

If the broom door is damaged, it is advisable to replace it without waiting to avoid a total starter failure. The replacement operation is often performed at the same time as the change of brooms and the cleaning of the collector.

Mounting precautions

• Disconnect the battery before intervention.
• Use new brushes to ensure optimum pressure.
• Carefully clean the manifold before returning the brooms.
• Check the electrical connections before closing the starter.
• Test the starter on established before reimbursing it on the vehicle.

Catalog Pro VSP : broom door for car starter without license

Pro VSP proposes broom door Quality for most starters used on cars without license. Each product is selected for its compatibility and reliability. Product sheets indicate compatible engines (Lombardini, Kubota, Yanmar, Mitsubishi, Perkins), in order to facilitate your choice.

Complementary parts

When replacing the brushes door, it may be wise to control the full state of the starter or replace it if the one-CI presents an important mechanical game. Find our complete selection of starters here: Car starter without a license.

Budget & Associated Costs

The price of a brush door is much lower than that of a complete starter, making it an economical solution to extend the life of the existing starter. However add the possible cost of the brooms and the hand-if you use a professional.

Typical expenses

• New brush door.
• Broom set if necessary.
• Cleaning or grinding the collector.
• Hand-to disassemble and reassemble the starter.
• Bench test before reinstall.

Tips for extending the life of the brush door

• Check the condition of the brushes regularly.
• Clean the starter in case of accumulation of carbon dust.
• Make sure the battery is always busy to prevent extended starts.
• Avoid moisture in the engine compartment.
• Maintain the starter to prevent premature wear of the collector.

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